CN205651077U - Bearing roller formula centre frame - Google Patents
Bearing roller formula centre frame Download PDFInfo
- Publication number
- CN205651077U CN205651077U CN201620308651.1U CN201620308651U CN205651077U CN 205651077 U CN205651077 U CN 205651077U CN 201620308651 U CN201620308651 U CN 201620308651U CN 205651077 U CN205651077 U CN 205651077U
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- CN
- China
- Prior art keywords
- roller
- mandrel
- lead screw
- screw
- centre frame
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Abstract
The utility model belongs to the technical field of the auxiliary stay mechanism technique of heavy major axis class parts machining deep hole is applied to to the numerical control deep hole drilling and boring machines and specifically relates to a bearing roller formula centre frame is related to. Its characteristics are including corresponding the upper part of the body and the lower part of the body that sets up, upper part of the body and the lower part of the body link to each other with the mandrel through the bolt respectively, go up the lead screw and pass through the sleeve and install on the upper part of the body, go up the lead screw lower extreme and be provided with the gyro wheel, lower part of the body below is provided with left lead screw and right lead screw, left lead screw and right lead screw pass through the shaft coupling and link to each other, the wheel carrier that rolls left is installed on left lead screw through left screw, rolls left to take turns and installs on the wheel carrier that rolls left, right gyro wheel was put up right screw and was installed on right lead screw, right gyro wheel is installed on right gyro wheel puts up. It is convenient that it has the work piece clamping, and the rigidity is good, and bearing capacity is strong, and the gyration precision is high, and the centre gripping scope is big, advantages such as easy operation.
Description
Technical field
This utility model relates to CNC deep-hole drilling & boring machine and is applied to the auxiliary of heavy longaxones parts deep hole processing
Help supporting mechanism technical field, especially relate to a kind of roller-type centre frame.
Background technology
CNC deep-hole drilling & boring machine is mainly used in the high-precision of the parts such as oil drill rocker equipment, hydraulic cylinder, cylinder
Degree bores boring and repair, is applicable to the processing of the parts such as country variant geology oil, coal, wind-powered electricity generation
And reparation.It is that the core components such as processing nuclear power rotor, large-scale power station rotor, hydraulic turbine main shaft must
Few manufacture equipment.Along with society quickly increasing and oil, coal industry exploitation difficulty energy demand
Degree continues to increase, simultaneously the continuous enhancing of people's environmental protection consciousness, the requirement to oil exploration equipment
Also develop towards high accuracy, high efficiency, direction that effect on environment is little.Along with bearing capacity, processing
The continuous expansion of scope, improves the difficulty of design research and development.The centre frame device of CNC deep-hole drilling & boring machine
Commonly used it be mutually the three of 120 ° and grab supporting form, three cylindrical support points, belong to cantilever design, just
The easily vibration of degree difference.Manually adjusting three fulcrums, there is a problem that cannot accurately feel relieved, centering is imitated
Rate is low, and the most traditional centre frame can not meet the processing request of Digit Control Machine Tool.
Summary of the invention
The purpose of this utility model is to avoid the defect of prior art to provide a kind of roller-type centre frame,
Efficiently solve the problem that prior art exists.
For achieving the above object, the technical scheme that this utility model is taked is: in described a kind of roller-type
Heart frame, is characterized in upper body and the lower body including being correspondingly arranged, and described upper body and lower body pass through spiral shell respectively
Bolt is connected with mandrel, and upper screw rod is arranged on upper body by sleeve, and upper screw rod lower end is provided with upper roller,
Being provided with left screw mandrel and right screw mandrel below lower body, left screw mandrel is connected by shaft coupling with right screw mandrel, left wheel
Frame is arranged on left screw mandrel by left screw, and left wheel is arranged on and rolls left on wheel carrier, and right turning rolls is by the right side
Screw is arranged on right screw mandrel, and right roller is arranged on right turning rolls.
Being additionally provided with handle on described upper body, on described upper body, corresponding sleeve is provided with latch segment.
In described upper internal employing cylinder, upper leading screw transmission moment of torsion band moving sleeve moves, and barrel forward end is adopted
With roller contact workpiece, joining a pair taper roll bearing in upper roller, upper roller rotates together with workpiece.
Described bolt is arranged on lower body by pin, and bolt upper end is additionally provided with the first locking nut；
Described mandrel lower end is arranged on lower body, and mandrel is additionally provided with spring, and mandrel upper end is provided with second
Locking nut.
Described left screw mandrel outer end is provided with handwheel, described upper roller, left wheel and right roller center pair
Should arrange the center superposition with upper body and lower body, between upper roller, left wheel and right roller, angle is followed successively by
120°。
Described left wheel and roll left and be additionally provided with left small rack between wheel carrier, described right roller and right rolling
Right small rack it is additionally provided with between wheel carrier.
The beneficial effects of the utility model are: described a kind of roller-type centre frame, and it utilizes three to be mutually
The action roller of 120 ° supports workpiece, joins a pair taper roll bearing in roller, and roller can be with workpiece
Rotate together with.This centre frame can manually control, and rotational lead screw adjusts the work of clamping different size diameter
Part, after the supporting workpiece that puts in place, with locking briquetting locking sleeve.During dismounting workpiece, unclamp clamp nut and lead to
Crossing handle promotes centre frame upper body to rotate to 90 ° of positions along mandrel.This centre frame has clamping workpiece
Convenient, good rigidly, bearing capacity is strong, and rotating accuracy is high, and clamping range is big, simple operation and other advantages.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Shown in figure: 1, pin；2, handle；3. bolt；4, the first locking nut；5, sleeve；
6, upper screw rod；7, latch segment；8, the second locking nut；9, mandrel；10, spring；11, upper rolling
Wheel；12, right small rack；13, right roller；14, right turning rolls；15, right screw mandrel；16, right screw；
17, shaft coupling；18, handwheel；19, left screw mandrel；20, left screw；21, roll left wheel carrier；22, left
Small rack；23, left wheel；24, upper body；25, lower body.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving
Release this utility model, be not intended to limit scope of the present utility model.
As it is shown in figure 1, described a kind of roller-type centre frame, it is characterized in the upper body including being correspondingly arranged
24 and lower body 25, described upper body 24 and lower body 25 be connected with mandrel 9 by bolt 3 respectively, on
Screw mandrel 6 is arranged on upper body 24 by sleeve 5, and upper screw rod 6 lower end is provided with upper roller 11, lower body
Left screw mandrel 19 and right screw mandrel 15, left screw mandrel 19 and right screw mandrel 15 it is provided with by shaft coupling 17 below 25
Being connected, the wheel carrier 21 that rolls left is arranged on left screw mandrel 19 by left screw 16, and left wheel 23 is arranged on a left side
On turning rolls 21, right turning rolls 14 is arranged on right screw mandrel 15 by right screw 16, right roller 13
It is arranged on right turning rolls 14.
Further, described upper body 24 is additionally provided with handle 2, corresponding sleeve on described upper body 24
5 are provided with latch segment 7.
Further, in using cylinder in described upper body 24, upper leading screw 6 transmits moment of torsion band moving sleeve 5
Mobile, sleeve 5 front end uses upper roller 11 to contact workpiece, joins a pair taper roller axle in upper roller 11
Holding, upper roller 11 rotates together with workpiece.
Further, described bolt 3 is arranged on lower body 25 by pin 1, and bolt 3 upper end also sets
It is equipped with the first locking nut 4；Described mandrel 9 lower end is arranged on lower body 25, and mandrel 9 also sets up
Spring 10, mandrel 9 upper end is had to be provided with the second locking nut 8.
Further, described left screw mandrel 19 outer end is provided with handwheel 18, described upper roller 11, rolls left
Wheel 23 and right roller 13 center are correspondingly arranged and upper body 24 and the center superposition of lower body 25, upper roller 11,
Between left wheel 23 and right roller 13, angle is followed successively by 120 °.
Further, described left wheel 23 and roll left and be additionally provided with left small rack 22, institute between wheel carrier 21
It is additionally provided with right small rack 12 between right roller 13 and the right turning rolls 14 stated.
Described a kind of roller-type centre frame, during work, first unclamps the first locking nut 4 and the second lock
Jack panel 8, spring 10 stretches jack-up centre frame upper body.Bolt 3 rotates 110 ° along pin 1 axle center,
Make centre frame upper body left end completely disengaged, by handle 2 promote centre frame upper body along mandrel 9 rotate to
90 ° of positions.According to excircle of workpiece diameter, can select to make whether to use right small rack 12 and a left side
Small rack 22, if diameter of work can remove more greatly right small rack 12 and left small rack 22, directly by the right side
Roller 13 and left wheel 23 are filled on right turning rolls 14 and the wheel carrier 21 that rolls left support workpiece.Workpiece is therefrom
Fall above heart frame, rotate left screw mandrel 19 by handwheel 18 and transmit moment of torsion to left screw 20, left screw mandrel
19 and right screw mandrel 15 coupled by shaft coupling 17, and left screw mandrel 19 and right screw mandrel 15 are oppositely oriented, so
While handwheel 18 rotates left screw mandrel 19, right screw mandrel 15 transmits moment of torsion to right screw 16.Two rollers
Moving integrally of frame is that two screw mandrels in body drive on the lower.As long as so rotating handwheel 18, can make
Two rollers simultaneously clamp on or loosen.Roller internal structure is identical with central frame roller, by a pair taper roller
Bearing supports.When workpiece location to the alignment of shafts time carrying roller by adjust position support workpiece, roller with
Workpiece rotates.Then promote centre frame upper body to reversely rotate 90 degree of positions along mandrel 9 by handle 2 to make
Upper body overlaps with lower body, and bolt 3 reversely rotates 110 ° along pin 1 axle center, fastens the first locking nut
4 and second locking nut 8, make lower body on centre frame be integrated.Turned round by rotary screw rod 6 transmission again
Square is to sleeve 5, and sleeve 5 vertically moves the workpiece adjusting clamping different size diameter, puts in place and props up
After holding workpiece, with locking briquetting 7 locking sleeve, make roller contact workpiece and rotate with workpiece.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (6)
1. a roller-type centre frame, is characterized in that upper body and the lower body including being correspondingly arranged, described upper body and
Lower body is connected with mandrel by bolt respectively, and upper screw rod is arranged on upper body by sleeve, under upper screw rod
End is provided with upper roller, is provided with left screw mandrel and right screw mandrel, left screw mandrel and right screw mandrel and passes through below lower body
Shaft coupling is connected, and the wheel carrier that rolls left is arranged on left screw mandrel by left screw, and left wheel is arranged on left wheel
On frame, right turning rolls is arranged on right screw mandrel by right screw, and right roller is arranged on right turning rolls.
2. a kind of roller-type centre frame as claimed in claim 1, it is characterised in that: also set on described upper body
Being equipped with handle, on described upper body, corresponding sleeve is provided with latch segment.
3. a kind of roller-type centre frame as claimed in claim 2, it is characterised in that: described upper internal employing
In cylinder, upper leading screw transmission moment of torsion band moving sleeve moves, and barrel forward end uses upper roller contact workpiece,
Joining a pair taper roll bearing in upper roller, upper roller rotates together with workpiece.
4. a kind of roller-type centre frame as claimed in claim 1, it is characterised in that: described bolt passes through pin
Nail is arranged on lower body, and bolt upper end is additionally provided with the first locking nut；Described mandrel lower end is installed
On lower body, mandrel being additionally provided with spring, mandrel upper end is provided with the second locking nut.
5. a kind of roller-type centre frame as claimed in claim 1, it is characterised in that: described left screw mandrel outer end
Being provided with handwheel, described upper roller, left wheel and right roller center are correspondingly arranged and upper body and lower body
Center superposition, between upper roller, left wheel and right roller, angle is followed successively by 120 °.
6. a kind of roller-type centre frame as claimed in claim 1, it is characterised in that: described left wheel is with left
It is additionally provided with left small rack between turning rolls, between described right roller and right turning rolls, is additionally provided with the right side
Small rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308651.1U CN205651077U (en) | 2016-04-13 | 2016-04-13 | Bearing roller formula centre frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308651.1U CN205651077U (en) | 2016-04-13 | 2016-04-13 | Bearing roller formula centre frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205651077U true CN205651077U (en) | 2016-10-19 |
Family
ID=57390359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620308651.1U Expired - Fee Related CN205651077U (en) | 2016-04-13 | 2016-04-13 | Bearing roller formula centre frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205651077U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735343A (en) * | 2016-11-29 | 2017-05-31 | 中信重工机械股份有限公司 | A kind of device for lifting sleeping carriage chuck bearing capacity |
| CN108818023A (en) * | 2018-08-16 | 2018-11-16 | 大连龙飞科技有限公司 | clamping device |
| CN109551262A (en) * | 2018-12-27 | 2019-04-02 | 齐齐哈尔二机床(集团)有限责任公司 | Open center rest micromatic setting |
-
2016
- 2016-04-13 CN CN201620308651.1U patent/CN205651077U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735343A (en) * | 2016-11-29 | 2017-05-31 | 中信重工机械股份有限公司 | A kind of device for lifting sleeping carriage chuck bearing capacity |
| CN108818023A (en) * | 2018-08-16 | 2018-11-16 | 大连龙飞科技有限公司 | clamping device |
| CN109551262A (en) * | 2018-12-27 | 2019-04-02 | 齐齐哈尔二机床(集团)有限责任公司 | Open center rest micromatic setting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20180413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |